"You write poetry?" Klaus asked. He had read a lot about poets but had never met one.
"Just a little bit," Isadora said modestly. "I write poems down in this notebook. It's an interest of mine."
"Sappho!" Sunny shrieked, which meant something like "I'd be very pleased to hear a poem of yours!"
The cultural and literary references are endless, including the name of the Vice Principal (Nero) and the name of the academy (Prufrock). Lovely to reread this series again now I'm older, since I couldn't pick up these when I was young.